whiting: Whiting data

whitingR Documentation

Whiting data

Description

A dataset of North Sea whiting Merlangius merlangus caught during the period 1974-1980. Can be used for catchCurve and VPA.

Usage

data(whiting)

Format

A list consisting of:

  • age: a vector with age groups,

  • M: natural mortality rate,

  • a: length-weight relationship coefficent (W = a * L^b),

  • b: length-weight relationship coefficent (W = a * L^b),

  • catch:a matrix with catches from 1974 to 1980.

Source

ICES, 1981. Report of the Ad hoc working group on the use of effort data in assessment, Copenhagen, 2-6 March 1981. ICES C.M. 1981/G:5 (mimeo)

Examples

data(whiting)
str(whiting)
summary(whiting)



tokami/TropFishR documentation built on Feb. 29, 2024, 11 p.m.